Weekly PEM meeting

• 2023/05/19(Fri) 17:00-
• Regular meeting

• Zoom2 : https://zoom.us/j/6676627462

General announcement

• O4a run will start from 24th May
  • 4 weeks run it will finish 21st June
  • Mostly onsite and Mitaka member will have a shift for observation
    • Not disagree that offsite member come KAGRA during run
  • CAL/DET week from 17th May -
    • We will stop the interferometer update
• SEO budget to PEM is limiting
• KAGRA visiting plan
  • If you want to visit Kamioka, please contact to Yokozawa

Meeting and Conference issue

• XIII Einstein Telescope Symposium https://indico.ego-gw.it/event/562/abstracts/

  • May 8–12, in Cagliari Italy
  • Washimi (online) : Schumann resonance amprification
  • Somiya (online) : Water NN
• GWADW 2023
  • 21 - 27 May, Elba, Italy
  • One day could be the day for "KAGRA commissioning support" and "experiences/results in KAGRA" presentation
  • The 3rd generation can be a large topics because ET is now proceeding.
• 10th KIW
  • 29,30th May
  • Washimi (SOC)
  • Hoshino

• ICRC 2023 url

  • Nagoya
  • Deadline 2/20
  • Yokozawa will present about KAGRA PEM (oral)
  • Washimi will present about Schumann resonance and SGWB
• JPS meeting (Tohoku U)
  • Limiting hotel

• Other meetings url

If you have some presentation about PEM related, please contact to me.

Business travel

• Depending on the situation of COVID-19
• To Kamioka
  • Hoshino(planned)
• From Kamioka
  • No

General issue

• Status

  • Sensitivity ~1.4 Mpc latest

• Commissioning work
  • Manual alignment
    • PR3 : We will sometimes perform manual alignment
    • OMC : Check the control signals

    • manual(JGWDoc14969)

  • Tapping test and shaker injection

    • Washimi-san summarized the shaker/acoustic injectionswiki

    • 30 min acoustic injection test with one frequency
      • Data for noise subtraction
  • Glitch investigation
    • ITMY suspension glitch
      • Try to install the IR/GR filter in front of oplev QPD
    • IPC glitch

      • It sometimes happened that the time series sometimes jump during observation example(klog24930)

  • Lock loss investigation
    • Ongoing
  • Silent run
    • Keep the interferometer when no CAL/DET/PEM activities
  • Summary page update for O4a

    • url

    • Ongoing

• 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

• Micro seismic analysis (Hoshino)
  • Submit to CPC soon

  • Overleaf

• Acoustic reverberation time paper (Washimi+)
  • Suspend
  • Re-measurement before O4?
• Tonga GIF paper
  • Referee comments

Preparation for O4

• Environment will be fixed
  • Temperature became lower due to no human activity inside the experimental area(?)
• Finalize the PEM installation
  • Accelerometer to C chamber and TMS table (Maybe postpone after O4a, lower priority)
  • Microphone to C chamber (Maybe postpone after O4a, lower priority)
• Investigation of the PEM injection
  • Magnetic injection
    • After O4a?
• Voltmeter preparation
  • AC power monitor installation
  • DC power monitor installation
• After O4
  • RF monitor with mokugo
  • Tiltmeter
  • RI detector
  • Newtonian noise
• Discussion with DET members
  • Daily summary page PEM

Progress report

• Yuzurihara
  • Pastavi

  • Data Quality Report slide

  • Data quality evaluation
• Hoshino
  • Seismic motion analysis
• Sato
  • Sound source analysid
• Miyamoto
  • Weather analysis
• Takatani
  • Calculation of Schumann resonance
• Kume
  • Noise subtraction
• Nishizawa
  • Water newtonian noise
  • Magnetic field analysis
• Washimi

  • PEM injection sumnmary KAGRA/Subgroups/PEM/PEMinjection/O4

  • Acoustic injection analysis

    • Comparison of the different locations https://klog.icrr.u-tokyo.ac.jp/osl/?r=25313

    • OMC area https://klog.icrr.u-tokyo.ac.jp/osl/?r=25304

    • REFL area https://klog.icrr.u-tokyo.ac.jp/osl/?r=25311

    • MCF area https://klog.icrr.u-tokyo.ac.jp/osl/?r=25312

• Yokozawa
  • Morning silent run

Place for memo

• Line noise list in O3a public data

• Summary page for KAGRA O3 vector dark matter